I would imagine so, but I haven't got that far in the book yet. My gut feeling is that "logical consequences" are a sort of in-between kind of technique. I'd say that most parents use them in some form or another.
To me I tend to take "UP" as a shorthand, I don't actually stick to UP to the letter as a "method" but I do agree wholeheartedly with the criticisms of an overly behavioural model.
My "rule of thumb" about dealing with unwanted behaviour is that anything which is likely to upset the child needs to have some purpose. It should either make right whatever was made wrong, or help the child to understand why what they did was problematic. Both of these can be done without assigning blame, acknowledging that they meant well or they just didn't know that what they were doing was wrong. E.g. we've been playing hide-and-seek recently a lot with DS because he loves it (and he is so useless at hiding, it's funny). So we were out one day in a really big public place and suddenly he spotted a great hiding place so he ran off and hid in it, from his point of view, he's probably thinking, hehehe, what fun, mum and dad will be so impressed with this hiding place! Whereas we were actually panicking and thinking where the actual fuck has he gone?? DP found him and his immediate reaction was to tell him off and tell him it was very naughty to hide like that. I'm ashamed to say
that I stepped in and said, hey, he didn't know it was naughty, give him a break. Of course DP's idea was to frighten/upset him so that his experience of hiding in a large public place was made negative and he wouldn't want to do it again, which is conventional parenting wisdom, but I just felt that there was no way he could have had any concept that what he was doing might have been wrong or why it was different from the hide and seek game we'd been playing in the swimming pool earlier where there were limited hiding places and several adults watching, and so it was totally unfair to berate him for it. Instead I just told him that if he wants to play hide and seek and we're not at somebody's house he needs to ask one of the adults first, and I plan to back this up with reminders every time we are in a public place until I think it has stuck. I think this will work with him because he's not a bolter in general, he's generally distrustful of new people until they've been introduced by someone he does trust, and he (mostly) has road sense.
Also, sometimes, I find that just changing your approach with them can change a lot about their attitude to you. DS has had loads to get used to over the last 2 months, starting nursery (preschool), increasing his time at the childminder to 3-5 days a week, he also goes after this one day a week to my friend's house, and at the weekends there are two separate relatives who have him if I'm working. Overall he can be away from home during the day for 6 days a week :( and understandably although he's excited by all the different people and places and I know they are all people who love him he is struggling a little with it. He gets frustrated easily and if he doesn't like what me or DP say or do he has a tendency to launch himself at us roaring "Naughty, naughty!" and trying to hit us, or in some cases bite us :( Now, actually, what I discovered the other day after generally failing to deal with this constructively at all, is that when he's doing this he's actually in total meltdown, and if I just hold him at arm's length so he can't hurt me and say "Hey, I know you're cross, but you need to calm down, okay? Do you need a hug?" every single time he dissolves in tears, says yes, we have a really big hug, and then we talk about what's wrong, with no hitting and no anger. I think the hitting is his frustration coming out that we're not here for him as much as he'd like and he really needs that reassurance of "Even when I'm really horrible, they still love me." And actually I've noticed too that by doing this and also making a real effort to listen to him, engage positively rather than bouncing my frustration off his, pay attention and try to do more of the things he asks for rather than brushing it off with an "I'll do it later" or "No, I'm too tired" or "Oh, DS!!" etc etc, he has been so much nicer and more thoughtful to be around too. I had been worried that because I'm now spending a lot of time out of the house that the other more behaviourist methods would take over, but actually it seems that UP/not UP has an effect whether you are doing it full time or not.